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| author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-02-12 18:49:33 +0900 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-02-19 06:19:19 -0700 |
| commit | ba25779384671c533a778e53d59fe3f317bfefa8 (patch) | |
| tree | d414bd87e6c72abcbcc3d206bc9ae80c00859497 /doc | |
| parent | f11199f0d0495177fe17e651e99955dc7494ab52 (diff) | |
| download | u-boot-imx-ba25779384671c533a778e53d59fe3f317bfefa8.zip u-boot-imx-ba25779384671c533a778e53d59fe3f317bfefa8.tar.gz u-boot-imx-ba25779384671c533a778e53d59fe3f317bfefa8.tar.bz2 | |
Documentation: gpio: fix bindings document
[ imported from Linux Kernel, commit 74981fb81d83 ]
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/device-tree-bindings/gpio/gpio.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/device-tree-bindings/gpio/gpio.txt b/doc/device-tree-bindings/gpio/gpio.txt index b9bd1d6..f7a158d 100644 --- a/doc/device-tree-bindings/gpio/gpio.txt +++ b/doc/device-tree-bindings/gpio/gpio.txt @@ -69,7 +69,8 @@ GPIO pin number, and GPIO flags as accepted by the "qe_pio_e" gpio-controller. ---------------------------------- A gpio-specifier should contain a flag indicating the GPIO polarity; active- -high or active-low. If it does, the follow best practices should be followed: +high or active-low. If it does, the following best practices should be +followed: The gpio-specifier's polarity flag should represent the physical level at the GPIO controller that achieves (or represents, for inputs) a logically asserted @@ -147,7 +148,7 @@ contains information structures as follows: numeric-gpio-range ::= <pinctrl-phandle> <gpio-base> <pinctrl-base> <count> named-gpio-range ::= <pinctrl-phandle> <gpio-base> '<0 0>' - gpio-phandle : phandle to pin controller node. + pinctrl-phandle : phandle to pin controller node gpio-base : Base GPIO ID in the GPIO controller pinctrl-base : Base pinctrl pin ID in the pin controller count : The number of GPIOs/pins in this range |